Now is a special time to earn American Airlines miles.

The personal American Airlines credit card is offering 50,000 bonus miles after spending $3,000 in the first three months.
The business American Airlines credit card is offering another 50,000 bonus miles after spending $3,000 in the first three months.

The personal deal has been the official offer since late October and the business deal since late November, so they've been around for three and two months respectively.

How much longer can we expect these amazing deals to last?

First, a quick word on why the deals

I get almost all my miles from credit cards.

I rarely fly a paid flight on an airline that offers miles (and when I do, it's usually not paid by me)
I don't do much online shopping through airline portals
My dining program earnings are minimal

For me, it starts and ends with sign up bonuses and category bonuses on credit cards.

Many people can get a small business credit card. Opening small business cards roughly doubles the number of amazing miles and points cards available to you.

Every small business credit card I've gotten I opened by putting my social security number as the tax ID, and by saying that my business is a sole proprietorship.